-int(*p_fcntl)(int,int,...) = fcntl;
-int(*p_posix_fadvise)(int,off_t,off_t,int) = posix_fadvise;
-int(*p_posix_fallocate)(int,off_t,off_t) = posix_fallocate;
+{int(*p)(int,int,...) = fcntl;}
+{int(*p)(int,off_t,off_t,int) = posix_fadvise;}
+{int(*p)(int,off_t,off_t) = posix_fallocate;}